Home / 1,312,006.60-1,810,604.10-739,012.60

Finding the Fourth Proportional to 1,312,006.60, 1,810,604.10 and 739,012.60

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Solution

The fourth proportional to 1,312,006.60, 1,810,604.10 and 739,012.60 is: 1,019,857.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,006.60 : 1,810,604.10 = 739,012.60 : x
  2. Step 2: Convert to fraction form
    1,312,006.60/1,810,604.10 = 739,012.60/x
  3. Step 3: Cross multiply
    1,312,006.60x = 1,810,604.10 × 739,012.60
  4. Step 4: Simplify right side
    1,312,006.60x = 1,338,059,243,511.66
  5. Step 5: Solve for x
    x = 1,338,059,243,511.66/1,312,006.60
  6. Step 6: Final answer
    x = 1,019,857.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.